Pith Number

pith:PWBTIKI3

pith:2010:PWBTIKI3H5KLBLLKECTD2UR24U

not attested not anchored not stored refs pending

Spinorial Characterizations of Surfaces into 3-dimensional pseudo-Riemannian Space Forms

J. Roth, M.-A. Lawn

arxiv:1001.4198 v1 · 2010-01-25 · math.DG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PWBTIKI3H5KLBLLKECTD2UR24U}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:50:24.152308Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d8334291b3f54b0ad6a20a63d523ae51e3ef0c2c57f76476eb069a6da41945e

Aliases

arxiv: 1001.4198 · arxiv_version: 1001.4198v1 · doi: 10.48550/arxiv.1001.4198 · pith_short_12: PWBTIKI3H5KL · pith_short_16: PWBTIKI3H5KLBLLK · pith_short_8: PWBTIKI3

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/PWBTIKI3H5KLBLLKECTD2UR24U \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 7d8334291b3f54b0ad6a20a63d523ae51e3ef0c2c57f76476eb069a6da41945e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89f1052bba23638ae6df085875ac02e37e611d41a8471f9bdcd0189ef4f52a15",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2010-01-25T16:16:09Z",
    "title_canon_sha256": "64177de2b6289c7bf6984faed82de628a213ad5cb619f8cd41f75054ea1dc4f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.4198",
    "kind": "arxiv",
    "version": 1
  }
}